Ingredient
Tetrasodium Pyrophosphate
Used in toothpaste to help stop mineral deposits hardening on teeth.
What it is there to do
Chelating agent
Binds trace metals that would otherwise spoil the formula.
What we don't know
- Where it comes from — plant, mineral, synthetic — isn't recorded.
- No published rule in our reference names it. That is about the rules, not safety.
- How much of it is used in any particular product. We hold no concentrations at all.
This is information about an ingredient, not medical advice, and not a judgement about any product that contains it. Back to the reference.